A Massachusetts woman was seriously injured while snowmobiling in Jackman. It happened yesterday morning.Maine wardens say Bonnie Sancomb, 46, was riding with a group when she missed a turn and went into the woods. Her group found her about 30 minutes later.The snowmobile landed on top of Sancomb and the snowmobile track continued to spin while on top of her. Sancomb has serious injuries to her torso and is at a Bangor hospital. Wardens say speed and unfamiliarity with the area might have contributed to the crash.